Stairway To Heaven Jimmy Page / Robert Plant
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Jonathan & Charlotte - Perhaps Love: an album guide
Appearing in Once, this touching love song has been covered by a number of musicians since its release in 2006 - including Il Divo. Jonathan said: "I thought it would be a really great song - I'd already had designs on it to cover it myself, so I thought why not do this together, and go crazy… so we did!"